News, Commentary and Insights from the Flash Player and AIR Product and Engineering Teams

Adobe AIR applications installation issue

This technote addresses the installation issue of Adobe AIR applications after 30th Oct 2017 that is signed with SHA1 certificate. It is applicable to both Windows and Mac.

Issue

When you install your AIR application, the installation fails with the below error. The error dialog is a generic installation failure message that could occur for various reasons. One of them is due to signature validation failure.

Who should use this solution?

If your developed AIR application fails to install after 30th Oct 2017.

Issue confirmation

Follow the steps below to verify if the signature validation failure is the cause of the installation failure:

Workaround

AIR applications with the above-mentioned issue can be installed using two methods.

Using keyboard shortcuts:

Install the Adobe AIR Runtime

Steps to follow on Windows:

1. Go to C:\Program Files (x86)\Common Files\Adobe AIR\Versions\1.0

2. While holding the “Ctrl” key, select the Adobe AIR Application Installer.exe -> Right click on it -> Run as Administrator. Do not take your finger off the “ctrl” key until you see the window open up.

3. Select and open the AIR application to be installed.

Steps to follow on Mac:

1. Go to /Applications/Utilities

2. While holding the “command” key, double click on the Adobe AIR Application Installer. Do not take your finger off the “command” key until you see the window open up.

3. Select and open the AIR application to be installed.

The Adobe AIR Application should be installed successfully.

Using the new -ignoreExpiredCertificateTimestamp directive while launching AIR Application installer using Command Prompt/Terminal